CaratHunter
Plans
Heart|Lab Grown|IGI

1.30ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG733570255

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG733570255

Diamond specifications and retailer prices

From $257 USD
As of October 30, 2026
Save $2,153 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,410 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.3ct lab-grown heart diamond

This 1.3ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG733570255 or 733570255. Listed at 14 retailers as of October 30, 2026, with prices from $257 to $2,410, a $2,153 spread on the same certified stone. Brilliant Earth lists it at $2,410. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733570255
Dimensions7.56 × 6.70 × 4.45 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.56 mm6.70 mm1.30 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733570255
Side View
Table 60.0%Crown 33.3°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 58.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,410 USD|Low: $257 USD|High: $3,600 USD|Avg: $931 USD|-33.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 14$257 USD
Retailer 17$287 USD
Retailer 4$298 USD
Retailer 10$361 USD
Retailer 6$393 USD
Retailer 5$428 USD
Retailer 12$430 USD
Retailer 16$573 USD
Retailer 7$574 USD
Retailer 8$629 USD
Retailer 9$669 USD
Retailer 11$854 USD
Retailer 13$897 USD
Retailer 15$1,129 USD
Retailer 2$1,407 USD
Retailer 3$2,280 USD
Brilliant Earth$2,410 USD

31 data points across 17 retailers

14 retailers$257 USD to $2,410 USD

A
Cheapest Retailer
-
$257 USD
A
Retailer 2
-
$287 USD
View
Final sale: no returns
A
Retailer 3
-
$298 USD
View
A
Retailer 4
-
$361 USD
£285 GBP
View
A
Retailer 5
-
$393 USD
View
A
Retailer 6
-
$428 USD
View
A
Retailer 7
-
$430 USD
View
A
Retailer 8
-
$573 USD
View
B+
Retailer 9
-
$854 USD
A$1,314 AUD
View
B+
Retailer 10
-
$897 USD
View
B+
Retailer 11
-
$1,129 USD
View
B+
Retailer 12
-
$1,407 USD
£1,108 GBP
View
B
Retailer 13
-
$2,280 USD
View
Most Expensive
B
Brilliant Earth
21405073Y · Oct 31
$2,410 USD
View
13 more retailers have this diamond
Prices start from $257 USDSave up to $2,153 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.30ct Heart
$257 USD